PoolItemBest.h

Go to the documentation of this file.

/*---------------------------------------------------------------------\
|                          ____ _   __ __ ___                          |
|                         |__  / \ / / . \ . \                         |
|                           / / \ V /|  _/  _/                         |
|                          / /__ | | | | | |                           |
|                         /_____||_| |_| |_|                           |
|                                                                      |
\---------------------------------------------------------------------*/
#ifndef ZYPP_POOLITEMBEST_H
#define ZYPP_POOLITEMBEST_H
 
#include <iosfwd>
 
#include <zypp/base/PtrTypes.h>
#include <zypp/base/Function.h>
#include <zypp/base/Iterator.h>
#include <zypp/base/Hash.h>
 
#include <zypp/PoolItem.h>

namespace zypp
{ 

  //
  //    CLASS NAME : PoolItemBest
  //
  class ZYPP_API PoolItemBest
  {
      using Container = std::unordered_map<IdString, PoolItem>;
    public:
      using Predicate = boost::function<bool (const PoolItem &, const PoolItem &)>;
 
      using size_type = Container::size_type;
      using value_type = Container::value_type;
      using iterator = MapKVIteratorTraits<Container>::Value_const_iterator;
      using ident_iterator = MapKVIteratorTraits<Container>::Key_const_iterator;
 
    public:
      static constexpr bool preferNotLocked = true;
 
    public:
      PoolItemBest( bool preferNotLocked_r = false )
      { _ctor_init( preferNotLocked_r ); }

      PoolItemBest( sat::Solvable slv_r, bool preferNotLocked_r = false )
      { _ctor_init( preferNotLocked_r ); add( slv_r ); }

      PoolItemBest( const PoolItem & pi_r, bool preferNotLocked_r = false )
      { _ctor_init( preferNotLocked_r ); add( pi_r ); }

      template<class TIterator>
      PoolItemBest( TIterator begin_r, TIterator end_r, bool preferNotLocked_r = false )
      { _ctor_init( preferNotLocked_r ); add( begin_r, end_r ); }
 
    public:
      void add( sat::Solvable slv_r )
      { add( PoolItem( slv_r ) ); }

      void add( const PoolItem & pi_r );

      template<class TIterator>
      void add( TIterator begin_r, TIterator end_r )
      {
        for_( it, begin_r, end_r )
          add( *it );
      }
 
    public:

      bool empty() const   { return container().empty(); }
      size_type size() const       { return container().size(); }
      iterator begin() const       { return make_map_value_begin( container() ); }
      iterator end() const   { return make_map_value_end( container() ); }

      PoolItem find( IdString ident_r ) const;
      PoolItem find( sat::Solvable slv_r ) const       { return find( slv_r.ident() ); }
      PoolItem find( const PoolItem & pi_r ) const  { return find( pi_r.satSolvable().ident() ); }


      ident_iterator identBegin() const { return make_map_key_begin( container() ); }
      ident_iterator identEnd() const     { return make_map_key_end( container() ); }
 
    private:
      void _ctor_init( bool preferNotLocked_r );
      void _ctor_init(/*preferNotLocked = false*/);     
      const Container & container() const;
    private:
      struct Impl;
      RWCOW_pointer<Impl> & pimpl()             { return *(reinterpret_cast<RWCOW_pointer<Impl>*>( _dont_use_this_use_pimpl.get() )); }
      const RWCOW_pointer<Impl> & pimpl() const { return *(reinterpret_cast<RWCOW_pointer<Impl>*>( _dont_use_this_use_pimpl.get() )); }
      shared_ptr<void> _dont_use_this_use_pimpl;
  };


  std::ostream & operator<<( std::ostream & str, const PoolItemBest & obj );

} // namespace zypp
#endif // ZYPP_POOLITEMBEST_H